Onodera joined the government of Miyagi Prefecture in April 1983. He worked at
Tohoku Fukushi University as special lecturer, assistant professor and guest professor from April 1994 to January 1998. In October 2002, he became an associate professor at Tohoku Fukushi University. He was appointed senior vice-minister for foreign affairs in August 2007. Like Abe, the majority of his government, and many predecessors as defense ministers, Onodera is affiliated with the
revisionist lobby group
Nippon Kaigi. Onodera supports Japan having the ability to launch a first-strike attack against enemy bases. Onodera has advocated for the installation of the
Aegis Ashore missile defense system in Japan, travelling to proposed installation sites in
Akita Prefecture and
Yamaguchi Prefecture to win local consent. ==Personal life==